CN107653708A - A kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing - Google Patents
A kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing Download PDFInfo
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- CN107653708A CN107653708A CN201711076466.XA CN201711076466A CN107653708A CN 107653708 A CN107653708 A CN 107653708A CN 201711076466 A CN201711076466 A CN 201711076466A CN 107653708 A CN107653708 A CN 107653708A
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- China
- Prior art keywords
- liquefied ammonia
- reactive dye
- dyeing
- color fixing
- fixing efficiency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/06—After-treatment with organic compounds containing nitrogen
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention discloses a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing, the NaOH aqueous solution is prepared, is added in liquefied ammonia, is added reactive dye, then cellulose fibre is dyed；Complete to take out product dyed thereby after dyeing, extract, dry, except ammonia fixation, last DMF water (1:1) backflow removes the dyestuff of non-set.The beneficial effects of the invention are as follows the fixation efficiency that can improve reactive dye of the liquefied ammonia dye liquor on fiber.
Description
Technical field
The invention belongs to textile technology field, is related to a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing.
Background technology
Reactive dye are a kind of dyestuffs for being widely used in cellulose dyeing, in its dyeing course, energy and fiber
Element forms covalent bond, has washing color fastness, therefore liked by consumer well.In Dyeing with Reactive Dyes,
After the absorption of dyestuff is completed, the pH value of alkali adjustment dye liquor is added, makes reactive dye and fibrin reaction.Meanwhile reactive dye
Also with the hydroxide ion (OH in dye liquor-) react, generate the reactive dye of hydrolysis.These hydrolysis of absorption on product dyed thereby are lived
Removed as much as possible in the washing step that property dyestuff should be after dyeing, improve the washing color fastness of product dyed thereby.
Liquefied ammonia has the function that crystallization, i.e. mercerization are conciliate in expansion to cellulose fibre；The part of and can dissolving simultaneously is living
Property dyestuff, therefore, cellulose fibre can dye in the dye liquor of liquefied ammonia, and dyeing time with traditional aqueous medium dye compared with,
It can shorten to 3 minutes.Then carry out removing ammonia fixation under conditions of drying to adsorbing the liquefied ammonia dye liquor on fiber.Due to solid
During color, the basicity of liquefied ammonia dye liquor can not be properly arrived at the fixation requirement of reactive dye, therefore its fixation efficiency is low, i.e.,
After drying is except ammonia fixation, washing, substantial amounts of dyestuff removes from coloured fibre.This is also dye fixing in liquefied ammonia dyeing
The reason for efficiency is low.
The content of the invention
It is an object of the invention to provide a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing, solves liquefied ammonia
The basicity of dye liquor can not be properly arrived at the fixation requirement of reactive dye, the problem of so as to cause fixation efficiency low.
The technical solution adopted in the present invention is to follow the steps below：
Step 1：The NaOH aqueous solution is prepared, is added in liquefied ammonia, adds reactive dye, then cellulose fibre is carried out
Dyeing；
Step 2：Complete to take out product dyed thereby after dyeing, extract, dry, except ammonia fixation, last DMF- water (1:1) backflow is washed
Except the dyestuff of non-set.
Further, in step 1 in NaOH solution, NaOH concentration is 240g/L.
Further, drying temperature is 100 DEG C in step 2.
Further, drying time is 10 minutes in step 2.
Further, cellulose fibre is ramie staple in bulk.
The beneficial effects of the invention are as follows the fixation efficiency that can improve reactive dye of the liquefied ammonia dye liquor on fiber.
Embodiment
With reference to embodiment, the present invention is described in detail.
Embodiment 1：The NaOH of 0,18,20,22,24 and 26g is dissolved in 100ml water respectively, is made into 0,180,
200,220,240 and 260g/L NaOH solution.Take the above-mentioned liquefied ammonia for being configured to different NaOH solutions and being slowly added into 92ml of 8ml
In, it is made into liquefied ammonia-water mixed solution containing different NaOH contents.Again by 0.2g Reactive Red 2, REACTIVE Red 195, and reactive orange
5 reactive dye are added separately in liquefied ammonia-water mixed solution that 100ml contains different NaOH contents, are made into containing difference
The liquid ammonia-water mixing dye liquor of NaOH content.2g ramie staple in bulks are immersed in the above-mentioned liquid containing different NaOH contents prepared
In ammonia-water mixing dye liquor, dyeing 10 minutes is carried out, then takes out, extracts.Existed by dyestuff before and after spectrophotometer detection dyeing
Content in dye liquor, and the exhaustion rate of dyestuff in its dyeing is calculated, by the calculating for dye fixing efficiency.
The ramie staple in bulk that will be extracted after dyeing, dried 10 minutes at 100 DEG C, completion removes ammonia fixation.After drying again
Dyeing ramie staple in bulk, in 100ml DMF- water (1:1) flow back in solution multiple, until the dyestuff of non-set is removed, receive
Collect whole phegmas, the content of dyestuff in cleaning solution is detected by spectrophotometer.According to the exhaustion of the dyestuff of above-mentioned calculating
Rate, the fixation efficiency of dyestuff is calculated, the results are shown in Table 1.By that can be drawn in table 1, with the increase of NaOH content, three kinds of dyestuffs
Fixation efficiency all increase, and all reach maximum in 240g/L concentration, show under this color fixing condition, added in liquefied ammonia
The NaOH solution that 8ml contains 240g/L is dyed, and the fixation efficiency of dyestuff is optimal.
Influence of the 1. different NaOH contents of table to dye fixing efficiency
Embodiment 2：24g NaOH is dissolved in 100ml water respectively, is made into 240g/L NaOH solution.8ml is taken to contain
The NaOH solution for having 240g/L is slowly added into 92ml liquefied ammonia, is made into liquefied ammonia-water mixed solution containing NaOH.Again will
The reactive dye of 0.2g Reactive Red 2, REACTIVE Red 195, and reactive orange 5 are added separately to the above-mentioned liquid containing NaOH of 100ml
In ammonia-water mixed solution, the liquid ammonia-water mixing dye liquor containing NaOH is made into.2g ramie staple in bulks are immersed in above-mentioned prepare
In liquid ammonia-water mixing dye liquor containing NaOH, dyeing 10 minutes is carried out, then takes out, extracts.Detected and contaminated by spectrophotometer
Content of the dyestuff in dye liquor before and after color, and the exhaustion rate of dyestuff in its dyeing is calculated, by based on dye fixing efficiency
Calculate.
The ramie staple in bulk that will be extracted after dyeing, 10 points are dried at 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 100 DEG C and 120 DEG C
Clock, completion remove ammonia fixation.Again by the dyeing ramie staple in bulk after drying, in 100ml DMF- water (1:1) flowed back in solution more
It is secondary, until the dyestuff of non-set is removed, whole phegmas is collected, containing for dyestuff in cleaning solution is detected by spectrophotometer
Amount.According to the exhaustion rate of the dyestuff of above-mentioned calculating, the fixation efficiency of dyestuff is calculated, the results are shown in Table 2.By that can be drawn in table 2,
With the lifting of drying temperature, the fixation efficiency of three kinds of dyestuffs all increases, and all reaches maximum at 100 DEG C, shows solid herein
Under the conditions of color, under the conditions of drying temperature is 100 DEG C, the fixation efficiency of dyestuff is optimal.
Influence of the 2. different drying temperatures of table to dye fixing efficiency
Embodiment 3：24g NaOH is dissolved in 100ml water respectively, is made into 240g/L NaOH solution.8ml is taken to contain
The NaOH solution for having 240g/L is slowly added into 92ml liquefied ammonia, is made into liquefied ammonia-water mixed solution containing NaOH.Again will
The reactive dye of 0.2g Reactive Red 2, REACTIVE Red 195, and reactive orange 5 are added separately to the above-mentioned liquid containing NaOH of 100ml
In ammonia-water mixed solution, the liquid ammonia-water mixing dye liquor containing NaOH is made into.2g ramie staple in bulks are immersed in above-mentioned prepare
In liquid ammonia-water mixing dye liquor, dyeing 10 minutes is carried out, then takes out, extracts.Pass through dyestuff before and after spectrophotometer detection dyeing
Content in dye liquor, and the exhaustion rate of dyestuff in its dyeing is calculated, by the calculating for dye fixing efficiency.
The ramie staple in bulk that will be extracted after dyeing, dry 6,7,8,9,10 and 15 minutes, completed except ammonia is consolidated at 100 DEG C
Color.Again by the dyeing ramie staple in bulk after drying, in 100ml DMF- water (1:1) flowed back in solution multiple, until will non-set
Dyestuff remove, receive the phegma of collection portion, pass through the content that spectrophotometer detects dyestuff in cleaning solution.According to above-mentioned calculating
Dyestuff exhaustion rate, calculate the fixation efficiency of dyestuff, the results are shown in Table 3.
By that can be drawn in table 3, with the extension of drying time, the fixation efficiency of three kinds of dyestuffs all increases, and all at 10 points
Clock reaches maximum；15 minutes are extended to again, and its fixation efficiency is constant.Show under this color fixing condition, be 10 in drying time
Under conditions of minute, the fixation efficiency of dyestuff is optimal.
Influence of the 3. different drying times of table to dye fixing efficiency
Because water can form blend solution with liquefied ammonia, will not freeze under stirring, and liquefied ammonia will not be made to fiber
Expansion conciliates crystallization and produces larger negative influence；Therefore a small amount of NaOH aqueous solution is added in liquefied ammonia dye liquor, can improved
Dyestuff can also submit the basicity in liquefied ammonia dye liquor in the exhaustion rate of fiber in liquefied ammonia dyeing so that in drying and removing ammonia process, liquid
Basicity of the ammonia dye liquor on fiber admirably achieves the fixation reaction condition of dyestuff and fiber, so as to improve the fixation of reactive dye
Efficiency.
Described above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (5)
- A kind of 1. method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing, it is characterised in that follow the steps below：Step 1：The NaOH aqueous solution is prepared, is added in liquefied ammonia, is added reactive dye, then cellulose fibre is contaminated Color；Step 2：Complete to take out product dyed thereby after dyeing, extract, dry, except ammonia fixation, last DMF- water (1:1) backflow removes not The dyestuff of set.
- 2. according to a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing described in claim 1, it is characterised in that：Institute State in step 1 in NaOH solution, NaOH concentration is 240g/L.
- 3. according to a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing described in claim 1, it is characterised in that：Institute It is 100 DEG C to state drying temperature in step 2.
- 4. according to a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing described in claim 1, it is characterised in that：Institute It is 10 minutes to state drying time in step 2.
- 5. according to a kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing described in claim 1, it is characterised in that：Institute It is ramie staple in bulk to state cellulose fibre.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076466.XA CN107653708A (en) | 2017-11-06 | 2017-11-06 | A kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711076466.XA CN107653708A (en) | 2017-11-06 | 2017-11-06 | A kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing |
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| Publication Number | Publication Date |
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| CN107653708A true CN107653708A (en) | 2018-02-02 |
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| CN201711076466.XA Pending CN107653708A (en) | 2017-11-06 | 2017-11-06 | A kind of method for improving reactive dye color fixing efficiency in liquefied ammonia dyeing |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824076A (en) * | 1972-09-25 | 1974-07-16 | Kane And Co | Liquid ammonia-caustic dye solution and dyeing therewith |
| JPH06128880A (en) * | 1992-10-15 | 1994-05-10 | Nisshinbo Ind Inc | Method for darkly dyeing cellulosic fiber structure treated with liquid ammonia |
| CN103225218A (en) * | 2013-04-10 | 2013-07-31 | 武汉纺织大学 | Cellulose fiber liquid ammonia dyeing method |
| CN106460310A (en) * | 2014-06-06 | 2017-02-22 | 雷贾尼机械股份公司 | Method for dyeing and finishing textile material and corresponding apparatus |
-
2017
- 2017-11-06 CN CN201711076466.XA patent/CN107653708A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824076A (en) * | 1972-09-25 | 1974-07-16 | Kane And Co | Liquid ammonia-caustic dye solution and dyeing therewith |
| JPH06128880A (en) * | 1992-10-15 | 1994-05-10 | Nisshinbo Ind Inc | Method for darkly dyeing cellulosic fiber structure treated with liquid ammonia |
| CN103225218A (en) * | 2013-04-10 | 2013-07-31 | 武汉纺织大学 | Cellulose fiber liquid ammonia dyeing method |
| CN106460310A (en) * | 2014-06-06 | 2017-02-22 | 雷贾尼机械股份公司 | Method for dyeing and finishing textile material and corresponding apparatus |
Non-Patent Citations (3)
| Title |
|---|
| BARKHUYSEN,F.A.: "The Dyeing of Cotton in Liquid Ammonia，Part I:Preliminary Trials", 《SAWTRI TECHNICAL REPORT》 * |
| BARKHUYSEN,F.A.: "The Dyeing of Cotton in Liquid Ammonia,Part II:A Study of Some Important Dyeing Variables", 《SAWTRI TECHNICAL REPORT》 * |
| 王建平主编: "《REACH法规与生态纺织品》", 31 August 2009, 中国纺织出版社 * |
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